Cletrac HG
The Cletrac HG is a tractor produced by Cletrac. It is equipped with a 122.3 ci 2.0 L engine. Transmission: 3 forward and 1 reverse. Drive type: crawler. Operating weight: 3125 to 3496 pounds.
Drive & Traction
crawler
Fuel & Capacities
Gasoline
Transmission
3 forward and 1 reverse
Operating Weight
3125 to 3496 pounds
Overview
 | 1939 - 1951
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Cletrac (a part of Oliver) |
Agricultural Crawler tractor | |
Built in Cleveland, Ohio, USA | |
Total built | 29,930 |
Cletrac HG Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
Cletrac HG Power | |
|---|---|
Drawbar (claimed) | 22 hp
16.4 kW |
Belt (claimed) | 16 hp
11.9 kW |
Drawbar (tested) | 21.3 hp
15.9 kW |
Belt (tested) | 25.3 hp
18.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Dimensions & Tracks | |
|---|---|
Weight | 3125 to 3496 pounds |
6-inch tracks | |
Full dimensions and tracks ...  | |
References | |
|---|---|
 | |
HG - Tru-Traction for the Farmer published in 1941, by Cletrac | |
HG Tractors published in 1948, by Cletrac |
Engine
Engine options | |
|---|---|
Hercules 2.2L 4-cyl gasoline | |
Hercules 1.9L 4-cyl gasoline | |
Hercules 2.0L 4-cyl gasoline |
Engine Detail — 133 ci / 2.2 L Gasoline
Manufacturer | Hercules IXB3 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled vertical L-head |
Final engine, used from 1950 on. | |
Displacement | 133 ci
2.2 L |
Bore/Stroke | 3.25x4.00 inches
83 x 102 mm |
Air cleaner | Vortox |
Compression | 6.67:1 |
Rated RPM | 1700 |
Starter volts | 6 |
Coolant capacity | 12 qts (original)
11.4 L |
11 qts (late)
10.4 L | |
Engine Detail — 113.1 ci / 1.9 L Gasoline
Manufacturer | Hercules IXA3 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Original engine, used from 1939 to late 1940 | |
Displacement | 113.1 ci
1.9 L |
Bore/Stroke | 3.00x4.00 inches
76 x 102 mm |
Rated RPM | 1400 |
Engine Detail — 122.3 ci / 2.0 L Gasoline
Manufacturer | Hercules IXK |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Second engine, used from late 1940 to 1950. | |
Displacement | 122.3 ci
2.0 L |
Bore/Stroke | 3.125x4.00 inches
79 x 102 mm |
Rated RPM | 1700 |
Coolant capacity | 11 qts
10.4 L |
Oil capacity | 5 qts
4.7 L |
Cletrac HG Engine | |
|---|---|
 |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Cletrac HG Tracks | |
|---|---|
Width | 6 inches
15 cm |
Length on ground | 50 inches
127 cm |
Area on ground | 600 in²
0.4 m² |
Dimensions | |
|---|---|
Length | 100 inches
254 cm |
Width | 41.25 inches (HG-31)
104 cm |
52.25 inches (HG-42)
132 cm | |
70.25 inches (HG-60)
178 cm | |
78.25 inches (HG-68)
198 cm | |
Height (hood) | 50 inches
127 cm |
Gauge | 31 inches
78 cm |
Gauge | 42 inches
106 cm |
Gauge | 60 inches
152 cm |
Gauge | 68 inches
172 cm |
Cletrac HG Weight | |
|---|---|
Shipping | 3125 lbs (HG-31)
1417 kg |
3163 lbs (HG-42)
1434 kg | |
3226 lbs (HG-60)
1463 kg | |
Operating | 3395 lbs (HG-31)
1539 kg |
3433 lbs (HG-42)
1557 kg | |
3496 lbs (HG-60)
1585 kg | |
Tests
Tractor Tests | |
|---|---|
NTTL 324: 113 gasoline 3-speed crawler | |
NTTL 434: 133 gasoline 3-speed crawler |
Nebraska Tractor Test 324 | |
|---|---|
113 gasoline 3-speed crawler
August 12, 1939 - August 30, 1938
Link: Nebraska Tractor Test 324 file | |
Belt power (max) | 19.4 hp
14.5 kW |
Belt fuel use (max) | 2.2 gal/hour
8.3 l/hour |
Drawbar performance | |
Max power | 14.01 hp
10.4 kW |
Fuel use | 7.0 gal/hour
26.5 l/hour |
Gear 2 used for power test. | |
Max pull | 2800 lbs
1270 kg |
Gear 1 used for pull test. | |
Nebraska Tractor Test 434 | |
|---|---|
133 gasoline 3-speed crawler
November 11 - 21, 1949
Link: Nebraska Tractor Test 434 file | |
Belt power (max) | 25.3 hp
18.9 kW |
Belt fuel use (max) | 2.3 gal/hour
8.7 l/hour |
Drawbar performance | |
Max power | 21.3 hp
15.9 kW |
Gear 2 used for power test. | |
Max pull | 3940 lbs
1787 kg |
Gear 1 used for pull test. | |
Photos
Cletrac HG
Oliver-Cletrac HG with high-clearance chassis.
Oliver-Cletrac HG with high-clearance chassis.
Oliver-Cletrac HG with high-clearance chassis.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Cletrac HG.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Cletrac HG Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Cletrac HG.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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- 1945 - 1953
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Cletrac GG
- Power:
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Cletrac ED
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Cletrac FG
- Power:
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- Production years:
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